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7 January, 19:53

This open can of oatmeal has a radius of 5cm and a height of 12cm. What is the surface area of the open can of oatmeal?

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Answers (2)
  1. 7 January, 20:14
    0
    455.3cm^2

    Step-by-step explanation:

    SA=πr^2+2πrh

    SA=3.14*5^2+2*3.14*5cm*12cm

    SA=3.14*25cm^2+6.28*60cm^2

    SA=78.5cm^2+376.8cm^2

    SA=455.3cm^2
  2. 7 January, 22:35
    0
    533.8 the equation is SA = 2 (3.14) (5) (12) + 2 (3.14) (25)
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